The giant monkey frog of Peru is known for its mind-altering skin secretions. Shamans in the Amazon rainforest use this species in hunting rituals. This frog lives in the newly created Sierra del Divisor National Park in Peru.

By Gabriel Thoumi In Search of Lost Frogs: The Quest to Find the World’s Rarest Amphibians describes the great quest to rediscover long-lost and presumed extinct frogs, toads, and salamanders not seen between 15 and 140 years ago. Since the turn of the millennium, over 250 amphibians have not been seen or recorded by science – many now presumed extinct – and it is estimated that over half of the Earth’s 7,000 amphibians are currently...

Males gobbling babies. Wiggly tadpoles bulging beneath the skin. Yeah, okay, that’s bizarre, but it’s also the lifestyle of Darwin’s frog (Rhinoderma darwinii), an endangered species that was found by Charles Darwin himself. While the females carry the eggs, the male Dawin frogs carry the young tadpoles in its vocal sac (of all places!) for a fortnight. The footage was filmed and produced by EDGE Fellow Claudio...

Note: mongabay.com does not endorse the action below, but believes its readers may be interested in taking action or discussing the issue in comments. For the third annual Save the Frogs Day (Friday, April 29th), amphibian-lovers are taking the fight to Washington DC to rally at the Environmental Protection Agency for a ban on the herbicide Atrazine. Banned in the EU since 2004, Atrazine has been shown to chemically-castrate frogs at...

Native to India, the purple frog (Nasikabatrachus sahyadrensis) is listed as Endangered by the IUCN Red List. The species is also a focal amphibian for the innovative ZSL EDGE program, which selects the species it works with based on their evolutionary uniqueness and threat level. According to the EDGE website: “The purple frog is the sole representative of an ancient lineage of frogs that has been evolving independently for...

Look closely to spot the Green and black poison dark frog (Dendrobates auratus in the rainforest canopy in Colombia. See more photos below of the frog in Colombia. Unlike many Neotropical frogs, this species is listed as Least Concern by the IUCN Red List. Photos by Rhett A. Butler. Click to see more photos of poison dart...